Home / 12,814.10-19,108.08-12,357.26

Finding the Fourth Proportional to 12,814.10, 19,108.08 and 12,357.26

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Solution

The fourth proportional to 12,814.10, 19,108.08 and 12,357.26 is: 18,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.10 : 19,108.08 = 12,357.26 : x
  2. Step 2: Convert to fraction form
    12,814.10/19,108.08 = 12,357.26/x
  3. Step 3: Cross multiply
    12,814.10x = 19,108.08 × 12,357.26
  4. Step 4: Simplify right side
    12,814.10x = 236,123,512.66
  5. Step 5: Solve for x
    x = 236,123,512.66/12,814.10
  6. Step 6: Final answer
    x = 18,426.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.